pr fixes

src/pipecat/services/deepgram.py

@@ -5,7 +5,6 @@
 #
 
 import aiohttp
-import json
 
 from typing import AsyncGenerator
 
@@ -33,8 +32,8 @@ class DeepgramTTSService(TTSService):
     async def run_tts(self, text: str) -> AsyncGenerator[Frame, None]:
         logger.info(f"Running Deepgram TTS for {text}")
         base_url = "https://api.deepgram.com/v1/speak"
-        request_url = f"{base_url}?model={
-            self._voice}&encoding=linear16&container=none&sample_rate=16000"
+        request_url = f"{base_url}?model = {
+            self._voice} & encoding = linear16 & container = none & sample_rate = 16000"
         headers = {"authorization": f"token {self._api_key}"}
         body = {"text": text}